#include "AliGenHijingEventHeader.h"
#include "AliRunDigitizer.h"
#include "AliRunLoader.h"
+#include "AliLoader.h"
#include "AliGRPObject.h"
#include "AliCDBManager.h"
#include "AliCDBEntry.h"
class AliCDBStorage;
class AliZDCPedestals;
-class AliZDCEnCalib;
-class AliZDCTowerCalib;
ClassImp(AliZDCDigitizer)
fIsSignalInADCGate(kFALSE),
fFracLostSignal(0.),
fPedData(0),
- fEnCalibData(0),
- fTowCalibData(0),
- fSpectators2Track(kFALSE)
+ fSpectators2Track(kFALSE),
+ fBeamEnergy(0.)
{
-// Default constructor
-
+ // Default constructor
+ for(Int_t i=0; i<2; i++) fADCRes[i]=0.;
}
//____________________________________________________________________________
fIsSignalInADCGate(kFALSE),
fFracLostSignal(0.),
fPedData(GetPedData()),
- fEnCalibData(GetEnCalibData()),
- fTowCalibData(GetTowCalibData()),
- fSpectators2Track(kFALSE)
+ fSpectators2Track(kFALSE),
+ fBeamEnergy(0.)
{
// Get calibration data
if(fIsCalibration!=0) printf("\n\t AliZDCDigitizer -> Creating calibration data (pedestals)\n");
-
+ for(Int_t i=0; i<5; i++){
+ for(Int_t j=0; j<5; j++)
+ fPMGain[i][j] = 0.;
+ }
}
//____________________________________________________________________________
fIsSignalInADCGate(digitizer.fIsSignalInADCGate),
fFracLostSignal(digitizer.fFracLostSignal),
fPedData(digitizer.fPedData),
- fEnCalibData(digitizer.fEnCalibData),
- fTowCalibData(digitizer.fTowCalibData),
- fSpectators2Track(digitizer.fSpectators2Track)
+ fSpectators2Track(digitizer.fSpectators2Track),
+ fBeamEnergy(digitizer.fBeamEnergy)
{
// Copy constructor
- for(Int_t i=0; i<6; i++){
+ for(Int_t i=0; i<5; i++){
for(Int_t j=0; j<5; j++){
fPMGain[i][j] = digitizer.fPMGain[i][j];
}
// Initialize the digitizer
AliCDBEntry* entry = AliCDBManager::Instance()->Get("GRP/GRP/Data");
+ if(!entry) AliFatal("No calibration data loaded!");
AliGRPObject* grpData = 0x0;
if(entry){
TMap* m = dynamic_cast<TMap*>(entry->GetObject()); // old GRP entry
entry->SetOwner(0);
AliCDBManager::Instance()->UnloadFromCache("GRP/GRP/Data");
}
- if(!grpData) AliError("No GRP entry found in OCDB!");
+ if(!grpData){
+ AliError("No GRP entry found in OCDB! \n ");
+ return kFALSE;
+ }
TString beamType = grpData->GetBeamType();
if(beamType==AliGRPObject::GetInvalidString()){
AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n");
}
- Float_t beamEnergy = grpData->GetBeamEnergy();
- if(beamEnergy==AliGRPObject::GetInvalidFloat()){
+ fBeamEnergy = grpData->GetBeamEnergy();
+ if(fBeamEnergy==AliGRPObject::GetInvalidFloat()){
AliWarning("GRP/GRP/Data entry: missing value for the beam energy ! Using 0.");
AliError("\t UNKNOWN beam type from GRP obj -> PMT gains not set in ZDC digitizer!!!\n");
- beamEnergy = 0.;
+ fBeamEnergy = 0.;
}
-
- if((beamType.CompareTo("P-P")) == 0){
+
+ if((beamType.CompareTo("P-P")) == 0 || (beamType.CompareTo("p-p")) == 0){
//PTM gains rescaled to beam energy for p-p
- if(beamEnergy != 0){
+ // New correction coefficients for PMT gains needed
+ // to reproduce experimental spectra (from Grazia Jul 2010)
+ if(fBeamEnergy != 0){
for(Int_t j = 0; j < 5; j++){
- fPMGain[0][j] = (661.444/beamEnergy+0.000740671)*10000000;
- fPMGain[1][j] = (864.350/beamEnergy+0.002344)*10000000;
- fPMGain[3][j] = (1.32312-0.000101515*beamEnergy)*10000000;
- fPMGain[4][j] = fPMGain[0][j];
- fPMGain[5][j] = fPMGain[1][j] ;
+ fPMGain[0][j] = 1.515831*(661.444/fBeamEnergy+0.000740671)*10000000;
+ fPMGain[1][j] = 0.674234*(864.350/fBeamEnergy+0.00234375)*10000000;
+ fPMGain[3][j] = 1.350938*(661.444/fBeamEnergy+0.000740671)*10000000;
+ fPMGain[4][j] = 0.678597*(864.350/fBeamEnergy+0.00234375)*10000000;
}
+ fPMGain[2][1] = 0.869654*(1.32312-0.000101515*fBeamEnergy)*10000000;
+ fPMGain[2][2] = 1.030883*(1.32312-0.000101515*fBeamEnergy)*10000000;
+ //
+ AliInfo(Form(" PMT gains for p-p @ %1.0f+%1.0f GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n",
+ fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]));
+ }
+ else{ // for RELDIS simulation
+ Float_t scalGainFactor = 0.5;
+ for(Int_t j = 0; j < 5; j++){
+ fPMGain[0][j] = 50000./scalGainFactor; // ZNC
+ fPMGain[1][j] = 100000./scalGainFactor; // ZPC
+ fPMGain[2][j] = 100000./scalGainFactor; // ZEM
+ fPMGain[3][j] = 50000./scalGainFactor; // ZNA
+ fPMGain[4][j] = 100000./scalGainFactor; // ZPA
+ }
+ //
+ AliInfo(Form(" PMT gains for RELDIS simulation: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n",
+ fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]));
}
}
else if((beamType.CompareTo("A-A")) == 0){
- // PTM gains for Pb-Pb @ 2.7_2.7 A TeV ***************
+ // PTM gains for Pb-Pb @ 2.7+2.7 A TeV ***************
+ // rescaled for Pb-Pb @ 1.38+1.38 A TeV ***************
+ // Values corrected after 2010 Pb-Pb data taking (7/2/2011 - Ch.)
+ // Experimental data compared to EMD simulation for single nucleon peaks:
+ // ZN gains must be divided by 4, ZP gains by 10!
+ Float_t scalGainFactor = fBeamEnergy/2760.;
for(Int_t j = 0; j < 5; j++){
- fPMGain[0][j] = 50000.;
- fPMGain[1][j] = 100000.;
- fPMGain[2][j] = 100000.;
- fPMGain[3][j] = 50000.;
- fPMGain[4][j] = 100000.;
- fPMGain[5][j] = 100000.;
+ fPMGain[0][j] = 50000./(4*scalGainFactor); // ZNC
+ fPMGain[1][j] = 100000./(5*scalGainFactor); // ZPC
+ fPMGain[2][j] = 100000./scalGainFactor; // ZEM
+ fPMGain[3][j] = 50000./(4*scalGainFactor); // ZNA
+ fPMGain[4][j] = 100000./(5*scalGainFactor); // ZPA
}
+ AliInfo(Form(" PMT gains for Pb-Pb @ %1.0f+%1.0f A GeV: ZN(%1.0f), ZP(%1.0f), ZEM(%1.0f)\n",
+ fBeamEnergy, fBeamEnergy, fPMGain[0][0], fPMGain[1][0], fPMGain[2][1]));
}
-
-
- // ADC Caen V965
+
+ // ADC Caen V965
fADCRes[0] = 0.0000008; // ADC Resolution high gain: 200 fC/adcCh
fADCRes[1] = 0.0000064; // ADC Resolution low gain: 25 fC/adcCh
}
// impact parameter and number of spectators
- Float_t impPar = -1;
+ Float_t impPar = 0;
Int_t specNTarg = 0, specPTarg = 0;
Int_t specNProj = 0, specPProj = 0;
Float_t signalTime0 = 0.;
fFracLostSignal = (sdigit.GetTrackTime()-30)*(sdigit.GetTrackTime()-30)/280.;
}
}
+
Float_t sdSignal = sdigit.GetLightPM();
if(fIsSignalInADCGate == kFALSE){
AliDebug(2,Form("\t Signal time %f -> fraction %f of ZDC signal for det.(%d, %d) out of ADC gate\n",
}
pm[(sdigit.GetSector(0))-1][sdigit.GetSector(1)] += sdigit.GetLightPM();
- /*printf("\n\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n",
+ //Ch. debug
+ /*printf("\t Detector %d, Tower %d -> pm[%d][%d] = %.0f \n",
sdigit.GetSector(0), sdigit.GetSector(1),sdigit.GetSector(0)-1,
- sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]); // Chiara debugging!
+ sdigit.GetSector(1), pm[sdigit.GetSector(0)-1][sdigit.GetSector(1)]);
*/
}
specPProj = ((AliGenHijingEventHeader*) genHeader)->ProjSpectatorsp();
specNTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsn();
specPTarg = ((AliGenHijingEventHeader*) genHeader)->TargSpectatorsp();
- printf("\n\t AliZDCDigitizer: b = %1.2f fm\n"
+ /*printf("\n\t AliZDCDigitizer: b = %1.2f fm\n"
" \t PROJ.: #spectator n %d, #spectator p %d\n"
- " \t TARG.: #spectator n %d, #spectator p %d\n\n",
- impPar, specNProj, specPProj, specNTarg, specPTarg);
+ " \t TARG.: #spectator n %d, #spectator p %d\n",
+ impPar, specNProj, specPProj, specNTarg, specPTarg);*/
}
}
Int_t freeSpecNTarg, freeSpecPTarg;
Fragmentation(impPar, specNTarg, specPTarg, freeSpecNTarg, freeSpecPTarg);
SpectatorSignal(1, freeSpecNProj, pm);
- //printf(" AliZDCDigitizer -> Signal for %d PROJ free spectator n",freeSpecNProj);
+// printf("\t AliZDCDigitizer -> Adding signal for %d PROJ free spectator n",freeSpecNProj);
SpectatorSignal(2, freeSpecPProj, pm);
- //printf(" and %d free spectator p added\n",freeSpecPProj);
+// printf(" and %d free spectator p\n",freeSpecPProj);
SpectatorSignal(3, freeSpecNTarg, pm);
- //printf(" AliZDCDigitizer -> Signal for %d TARG free spectator n",freeSpecNTarg);
+// printf("\t AliZDCDigitizer -> Adding signal for %d TARG free spectator n",freeSpecNTarg);
SpectatorSignal(4, freeSpecPTarg, pm);
- //printf("and %d free spectator p added\n",freeSpecPTarg);
+// printf(" and %d free spectator p\n\n",freeSpecPTarg);
}
digi[res] = Phe2ADCch(sector[0], sector[1], pm[sector[0]-1][sector[1]], res)
+ Pedestal(sector[0], sector[1], res);
}
- /*printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n",
- sector[0], sector[1], digi[0], digi[1]); // Chiara debugging!
- */
- //
new(pdigit) AliZDCDigit(sector, digi);
treeD->Fill();
+
+ //Ch. debug
+ //printf("\t DIGIT added -> det %d quad %d - digi[0,1] = [%d, %d]\n",
+ // sector[0], sector[1], digi[0], digi[1]); // Chiara debugging!
+
}
} // Loop over detector
// Adding in-time digits for 2 reference PTM signals (after signal ch.)
for(Int_t res=0; res<2; res++){
sigRef[res] += Pedestal(sectorRef[0], sectorRef[1], res);
}
- /*printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
- sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging!
- */
new(pdigit) AliZDCDigit(sectorRef, sigRef);
treeD->Fill();
+
+ //Ch. debug
+ //printf("\t RefDigit added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
+ // sectorRef[0], sectorRef[1], sigRef[0], sigRef[1]); // Chiara debugging!
}
//
// --- Adding digits for out-of-time channels after signal digits
for(Int_t res=0; res<2; res++){
digioot[res] = Pedestal(sector[0], sector[1], res); // out-of-time ADCs
}
- /*printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
- sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging!
- */
- //
new(pdigit) AliZDCDigit(sector, digioot);
treeD->Fill();
+
+ //Ch. debug
+ //printf("\t DIGIToot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
+ // sector[0], sector[1], digioot[0], digioot[1]); // Chiara debugging!
}
}
// Adding out-of-time digits for 2 reference PTM signals (after out-of-time ch.)
for(Int_t res=0; res<2; res++){
sigRefoot[res] = Pedestal(sectorRef[0], sectorRef[1], res);
}
- /*printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
- sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging!
- */
new(pdigit) AliZDCDigit(sectorRef, sigRefoot);
treeD->Fill();
+ //Ch. debug
+ //printf("\t RefDigitoot added -> det = %d, quad = %d - digi[0,1] = [%d, %d]\n",
+ // sectorRef[0], sectorRef[1], sigRefoot[0], sigRefoot[1]); // Chiara debugging!
+
}
//printf("\t AliZDCDigitizer -> TreeD has %d entries\n",(Int_t) treeD->GetEntries());
Int_t nAlpha = frag.GetNalpha();
// Attach neutrons
+ frag.AttachNeutrons();
Int_t ztot = frag.GetZtot();
Int_t ntot = frag.GetNtot();
- frag.AttachNeutrons();
+
+ // Removing fragments and alpha pcs
freeSpecN = specN-ntot-2*nAlpha;
freeSpecP = specP-ztot-2*nAlpha;
+
// Removing deuterons
Int_t ndeu = (Int_t) (freeSpecN*frag.DeuteronNumber());
freeSpecN -= ndeu;
+ freeSpecP -= ndeu;
//
if(freeSpecN<0) freeSpecN=0;
if(freeSpecP<0) freeSpecP=0;
{
// add signal of the spectators
- TString hfn;
- if(SpecType == 1) { // --- Signal for projectile spectator neutrons
- hfn = "$ALICE_ROOT/ZDC/ZNCSignal.root";
- }
- else if(SpecType == 2) { // --- Signal for projectile spectator protons
- hfn = "$ALICE_ROOT/ZDC/ZPCSignal.root";
+ TFile *specSignalFile = TFile::Open("$ALICE_ROOT/ZDC/SpectatorSignal.root");
+ if(!specSignalFile || !specSignalFile->IsOpen()) {
+ AliError((" Opening file $ALICE_ROOT/ZDC/SpectatorSignal.root failed\n"));
+ return;
}
- else if(SpecType == 3) { // --- Signal for target spectator neutrons
- hfn = "$ALICE_ROOT/ZDC/ZNASignal.root";
+
+ TNtuple* zdcSignal=0x0;
+
+ Float_t sqrtS = 2*fBeamEnergy;
+ //
+ if(TMath::Abs(sqrtS-5500) < 100.){
+ specSignalFile->cd("energy5500");
+ //
+ if(SpecType == 1) { // --- Signal for projectile spectator neutrons
+ specSignalFile->GetObject("energy5500/ZNCSignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file");
+ }
+ else if(SpecType == 2) { // --- Signal for projectile spectator protons
+ specSignalFile->GetObject("energy5500/ZPCSignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file");
+ }
+ else if(SpecType == 3) { // --- Signal for target spectator neutrons
+ specSignalFile->GetObject("energy5500/ZNASignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file");
+ }
+ else if(SpecType == 4) { // --- Signal for target spectator protons
+ specSignalFile->GetObject("energy5500/ZPASignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file");
+ }
}
- else if(SpecType == 4) { // --- Signal for target spectator protons
- hfn = "$ALICE_ROOT/ZDC/ZPASignal.root";
+ else if(TMath::Abs(sqrtS-2760) < 100.){
+ specSignalFile->cd("energy2760");
+ //
+ if(SpecType == 1) { // --- Signal for projectile spectator neutrons
+ specSignalFile->GetObject("energy2760/ZNCSignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNCSignal from SpectatorSignal.root file");
+ }
+ else if(SpecType == 2) { // --- Signal for projectile spectator protons
+ specSignalFile->GetObject("energy2760/ZPCSignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPCSignal from SpectatorSignal.root file");
+ }
+ else if(SpecType == 3) { // --- Signal for target spectator neutrons
+ specSignalFile->GetObject("energy2760/ZNASignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZNASignal from SpectatorSignal.root file");
+ }
+ else if(SpecType == 4) { // --- Signal for target spectator protons
+ specSignalFile->GetObject("energy2760/ZPASignal;1",zdcSignal);
+ if(!zdcSignal) AliError(" PROBLEM!!! Can't retrieve ZPASignal from SpectatorSignal.root file");
+ }
}
- TFile* file = TFile::Open(hfn);
- if(!file || !file->IsOpen()) {
- AliError((Form(" Opening file %s failed\n",hfn.Data())));
+ if(!zdcSignal){
+ printf("\n No spectator signal available for ZDC digitization\n");
return;
- }
-
- TNtuple* zdcSignal = (TNtuple*) file->Get("ZDCSignal");
+ }
+
Int_t nentries = (Int_t) zdcSignal->GetEntries();
Float_t *entry;
}
}while(iev<numEvents);
- file->Close();
- delete file;
+ specSignalFile->Close();
+ delete specSignalFile;
}
{
// Evaluation of the ADC channel corresponding to the light yield Light
Int_t vADCch = (Int_t) (Light * fPMGain[Det-1][Quad] * fADCRes[Res]);
- //printf("\t Phe2ADCch -> det %d quad %d - phe %.0f ADC %d\n", Det,Quad,Light,vADCch);
+ // Ch. debug
+ //printf("\t Phe2ADCch -> det %d quad %d - PMGain[%d][%d] %1.0f phe %1.2f ADC %d\n",
+ // Det,Quad,Det-1,Quad,fPMGain[Det-1][Quad],Light,vADCch);
return vADCch;
}
return calibdata;
}
-//_____________________________________________________________________________
-AliZDCEnCalib* AliZDCDigitizer::GetEnCalibData() const
-{
-
- // Getting calibration object for ZDC set
-
- AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/EnergyCalib");
- if(!entry) AliFatal("No calibration data loaded!");
-
- AliZDCEnCalib *calibdata = dynamic_cast<AliZDCEnCalib*> (entry->GetObject());
- if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
-
- return calibdata;
-}
-
-//_____________________________________________________________________________
-AliZDCTowerCalib* AliZDCDigitizer::GetTowCalibData() const
-{
-
- // Getting calibration object for ZDC set
-
- AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/TowerCalib");
- if(!entry) AliFatal("No calibration data loaded!");
-
- AliZDCTowerCalib *calibdata = dynamic_cast<AliZDCTowerCalib*> (entry->GetObject());
- if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
-
- return calibdata;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff